from apps.utils.constants import EXCLUDE_FIELDS
from apps.utils.serializers import CustomModelSerializer
from rest_framework import serializers

from apps.wpm.models import SfLog, StLog, StSfLog
from apps.system.models import Dictionary

class StLogSerializer(CustomModelSerializer):
    mgroup_name = serializers.CharField(source='mgroup.name', read_only=True)
    class Meta:
        model = StLog
        fields = '__all__'


class SfLogSerializer(CustomModelSerializer):
    mgroup_name = serializers.CharField(source='mgroup.name', read_only=True)
    team_name = serializers.CharField(source='team.name', read_only=True)
    shift_name = serializers.CharField(source='shift.name', read_only=True)
    leader_name = serializers.CharField(source='leader.name', read_only=True)
    class Meta:
        model = SfLog
        fields = '__all__'
        read_only_fields = EXCLUDE_FIELDS + ['leader', 'qua_data', 'cal_time', 'elec_val']
        update_fields = ['start_time', 'end_time', 'note']
    
    def validate(self, attrs):
        attrs['leader'] = attrs['mgroup'].leader
        return super().validate(attrs)

    def to_internal_value(self, data):
        if hasattr(self.Meta, 'update_fields') and self.context['request'].method in ['PUT', 'PATCH']:
            u_fields = self.Meta.update_fields
            new_data = {key: data[key] for key in u_fields if key in data}
            return super().to_internal_value(new_data)
        return super().to_internal_value(data)
    

class StSfLogSerializer(CustomModelSerializer):
    stlog_ = StLogSerializer(source='stlog', read_only=True)
    sflog_ = SfLogSerializer(source='sflog', read_only=True)
    class Meta:
        model = StSfLog
        fields = '__all__'
        read_only_fields = EXCLUDE_FIELDS + ['stlog', 'sflog', 'is_current_down']

class QItemDataSerializer(serializers.Serializer):
    qitem = serializers.PrimaryKeyRelatedField(label='检测项目', queryset=Dictionary.objects.filter(type__code='qitem'))
    val = serializers.FloatField(label='值')


class SfLogQuaSerializer(serializers.Serializer):
    qua_data = QItemDataSerializer(many=True)